From Xianghualing, Hunan Province, China   Internally clear transparent crystal cluster of vivid green cubic fluorite crystals on matrix. The matri...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

Beautiful specimen from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Parallel formation of amethyst crystals with great transparency and ...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India Hemispherical cluster of hair-thin okenite crystals in a geode lined with calcite along side...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India   Large hemispherical formation of thin needle like colorless mesolite crystals on matrix li...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of dark ...

From Qilla (Killa) Saifullah Chrome Mines, northwestern Baluchistan, Pakistan Large elongated cluster of lustrous transparent-to-translucent lemon-...

Carcharodontosaurus (Dinosaur) tooth in a glass display box From Tegana Formation, North Africa. Cretaceous Age 65 million years Carcharodontosauru...

Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the upper Albian to upper Turon...

Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the upper Albian to upper Turon...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

This unique sawfish rostral tooth barb is approximately 90 million years old. Onchopristis, or “giant saw”, is a genus of extinct giant sawfish tha...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Scintillating formation of spherical aggregates of quartz with translucent green conic...